Customer feedback simply cannot be outsourced, according to serial entrepreneur Steve Blank. Here he shares an anecdote demonstrating the importance of founders speaking directly to customers. Blank recalls how entrepreneur Alan Michaels was forced to listen to customer needs and altered his product accordingly. These changes turned single-digit sales into the thousands, and resulted in an eventual $400 million company sale

A business model describes how your company creates, delivers and captures value. It’s best understood as a diagram that shows all the flows between the different parts of your company. This includes how the product gets distributed to your customers and how money flows back into your company. And it shows your company’s cost structures, how each department interacts with the others and where your company can work with other companies or partners to implement your business.